.runnable {
    font-family: inherit;
    font-size: 100%;
    padding: 0.5em 1em;
    color: rgba(0, 0, 0, 0.80);
    border: none rgba(0, 0, 0, 0);
    background-color: #43c189;
    text-decoration: none;
    border-radius: 2px;
    color: aliceblue;
    outline: 0;
}

.runnable:hover,
.runnable:focus {
    background-image: linear-gradient(transparent, rgba(0, 0, 0, 0.05) 40%, rgba(0, 0, 0, 0.10));
}

.runnable:active {
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15) inset, 0 0 6px rgba(0, 0, 0, 0.20) inset;
    border-color: #000;
}